* {
  margin: 0;
  padding: 0;
}

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
div,
dl,
dt,
dd,
ul,
ol,
li,
p,
blockquote,
pre,
hr,
figure,
table,
caption,
th,
td,
form,
fieldset,
legend,
input,
button,
textarea,
menu {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

header,
footer,
section,
article,
aside,
nav,
hgroup,
address,
figure,
figcaption,
menu,
details {
  display: block;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

caption,
th {
  text-align: left;
  font-weight: normal;
}

html,
body,
fieldset,
img,
iframe,
abbr {
  border: 0;
}

i,
cite,
em,
var,
address,
dfn {
  font-style: normal;
}

[hidefocus],
summary {
  outline: 0;
}

li {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6,
small {
  font-size: 100%;
}

sup,
sub {
  font-size: 83%;
}

pre,
code,
kbd,
samp {
  font-family: inherit;
}

q:before,
q:after {
  content: none;
}

textarea {
  overflow: auto;
  resize: none;
}

label,
summary {
  cursor: default;
}

a,
button {
  cursor: pointer;
}

h1,
h2,
h3,
h4,
h5,
h6,
em,
strong,
b {
  font-weight: bold;
}

del,
ins,
u,
s,
a,
a:hover {
  text-decoration: none;
}

body,
textarea,
input,
button,
select,
keygen,
legend {
  font: 12px/1.14, \5b8b\4f53;
  color: #333;
  outline: 0;
  border: 0;
}

body {
  background: #fff;
}

a,
a:hover {
  color: #333;
}

/* 版心(水平居中的盒子) */
.container {
  width: 1200px;
  margin: 0 auto;

}

/* 浮动 */
.float-left {
  float: left;
}

.float-right {
  float: right;
}

.clearfix::after {
  content: '';
  display: block;
  /* overflow: hidden; */
  clear: both
}

body {
  width: 100vw;
  height: 100vh;
  /* font: 14px/1.5 Helvetica,
        sans-serif,
        STHeiTi; */
}